Fastreport da rapor çıktısını pdf dosya olarka saklamak

       protected void Button2_Click1(object sender, EventArgs e)
        {
            //memorty stream


            // No temp files
            FastReport.Utils.Config.WebMode = true;

            // Set PDF export props
            FastReport.Export.Pdf.PDFExport pdfExport = new FastReport.Export.Pdf.PDFExport();
            pdfExport.ShowProgress = false;
            pdfExport.Subject = "Subject";
            pdfExport.Title = "xxxxxxx";
            pdfExport.Compressed = true;
            pdfExport.AllowPrint = true;
            pdfExport.EmbeddingFonts = true;

            // Load our report
            FastReport.Report report = new FastReport.Report();

            FastReport.EnvironmentSettings evn = new FastReport.EnvironmentSettings();
            // evn.DatabaseLogin += new FastReport.DatabaseLoginEventHandler(evn_DatabaseLogin);

            String DOSYA = Server.MapPath(@"~/FastPrint/DENEME.frx");
            string Savepdffile= Server.MapPath(@"~//FastPrint/")+"File.pdf";
            report.Load(DOSYA);
            //report.SetParameterValue("ID", 123));

            report.Prepare();


            // Export report to PDF stream
            MemoryStream strm = new MemoryStream();
            report.Export(pdfExport, strm);


            FileStream file = new FileStream(Savepdffile, FileMode.Create, FileAccess.Write);
            strm.WriteTo(file);
            file.Close();
            strm.Close();


            report.Dispose();
            pdfExport.Dispose();


           
        }